<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
</head>
<body>
    <p>我有很多话 但是不想说</p>
</body>
<script src="../lib/jquery.min.js"></script>
<script>
    $(function(){
        $('p').click(function(){
           // $(this).css('font-size',"50px ")
           $(this).css({
               "font-size":'80px',
               "color":"red"
               
           })
        })
    });
</script>
</html>